diff mbox series

[14/34] powerpc/dart: remove dead cleanup code in iommu_init_early_dart

Message ID 20181114082314.8965-15-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/34] powerpc: use mm zones more sensibly | expand

Commit Message

Christoph Hellwig Nov. 14, 2018, 8:22 a.m. UTC
If dart_init failed we didn't have a chance to setup dma or controller
ops yet, so there is no point in resetting them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/powerpc/sysdev/dart_iommu.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

Comments

Christoph Hellwig Dec. 6, 2018, 2:11 p.m. UTC | #1
ping?

On Wed, Nov 14, 2018 at 09:22:54AM +0100, Christoph Hellwig wrote:
> If dart_init failed we didn't have a chance to setup dma or controller
> ops yet, so there is no point in resetting them.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  arch/powerpc/sysdev/dart_iommu.c | 11 +----------
>  1 file changed, 1 insertion(+), 10 deletions(-)
> 
> diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
> index a5b40d1460f1..283ce04c5844 100644
> --- a/arch/powerpc/sysdev/dart_iommu.c
> +++ b/arch/powerpc/sysdev/dart_iommu.c
> @@ -428,7 +428,7 @@ void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)
>  
>  	/* Initialize the DART HW */
>  	if (dart_init(dn) != 0)
> -		goto bail;
> +		return;
>  
>  	/* Setup bypass if supported */
>  	if (dart_is_u4)
> @@ -439,15 +439,6 @@ void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)
>  
>  	/* Setup pci_dma ops */
>  	set_pci_dma_ops(&dma_iommu_ops);
> -	return;
> -
> - bail:
> -	/* If init failed, use direct iommu and null setup functions */
> -	controller_ops->dma_dev_setup = NULL;
> -	controller_ops->dma_bus_setup = NULL;
> -
> -	/* Setup pci_dma ops */
> -	set_pci_dma_ops(&dma_nommu_ops);
>  }
>  
>  #ifdef CONFIG_PM
> -- 
> 2.19.1
> 
> _______________________________________________
> iommu mailing list
> iommu@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu
---end quoted text---
diff mbox series

Patch

diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index a5b40d1460f1..283ce04c5844 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -428,7 +428,7 @@  void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)
 
 	/* Initialize the DART HW */
 	if (dart_init(dn) != 0)
-		goto bail;
+		return;
 
 	/* Setup bypass if supported */
 	if (dart_is_u4)
@@ -439,15 +439,6 @@  void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)
 
 	/* Setup pci_dma ops */
 	set_pci_dma_ops(&dma_iommu_ops);
-	return;
-
- bail:
-	/* If init failed, use direct iommu and null setup functions */
-	controller_ops->dma_dev_setup = NULL;
-	controller_ops->dma_bus_setup = NULL;
-
-	/* Setup pci_dma ops */
-	set_pci_dma_ops(&dma_nommu_ops);
 }
 
 #ifdef CONFIG_PM